Explain, with the aid of a diagram, assume that the demand for low-skilled labour in South Africa is W=30 - 100=E where E is the number of workers in (millions) and w is the hourly wage. There are 100 million fitters who labour supply is inelastic. If South Africa opened its borders to immigration of 10 million low skilled labourers - what would be the effect in the labour market? (10)